If a sample with n = 60 subjects distributed over 3 categories was selected,a chi-square test for goodness-of-fit will be used.How many degrees of freedom will be used in determining the chi-square test statistic?
A)1
B)2
C)16
D)64

Question

Quizplus · Accepted Answer

In the case of a goodness-of-fit chi-square test, the degrees of freedom are calculated as df = k - 1, where k is the number of categories. In this case, k = 3, so df = 3 - 1 = 2. Therefore, the correct answer is B: 2.

If a Sample with N = 60 Subjects Distributed Over